Demantoid (garnet)

Other names:

Andradite

Appearance:

Transparent green or emerald-green.

Common variations...

Melanite (black opaque), Topazolite (lemon-yellow).

Common confusions......

Grossular (garnet), peridot, emerald, spinel, tourmaline and idocrase.

Esoteric beliefs and associations...

The greener the stone, the greater its positive influence over matters of employment, money, growth and fertility.

Other useful information...

Demantoid is the most valuable of the garnet group, generally found only in the Urals.

Physical properties...

Chemistry	Calcium iron silicate
System/Structure	Isometric (rhombic, dodecahedron, icositetrahedron)
Refractive Index	1.888 - 1.889
Specific Gravity	3.82 - 3.85
Mohs' Hardness	6.5 - 7.0